calcium
noun
cal·ci·um
ˈkal-sē-əm 
often attributive
: a metallic chemical element of the alkaline-earth group that occurs naturally only in combination and is essential to cellular functions in all known organisms see Chemical Elements Table
Examples of calcium in a Sentence
Her doctor said she should eat more foods that are high in calcium, such as milk and cheese.
Recent Examples on the Web
Iron and calcium compete for absorption, which is why most quality multivitamins will have one but not both.
—
Sarah Anzlovar, Ms, Verywell Health, 23 Apr. 2024
Fortified soy milk contains similar amounts of calcium and vitamin D as cow's milk and therefore counts toward your daily dairy intake, the U.S. Department of Agriculture says.
—Clare Mulroy, USA TODAY, 21 Apr. 2024
Kefir is also an excellent source of potassium, calcium and vitamins D, A, and B12.
—Beatrice Zocchi, Vogue, 5 Mar. 2024
This protein powder contains 20 grams of protein per serving and a small amount of calcium, another important nutrient during pregnancy.
—Alexandra Paetow Ms Rdn, Parents, 15 Apr. 2024
Now watch how to remove unwanted calcium build-up on your hair.
—Sophia Panych, Allure, 2 Apr. 2024
Adults need about 1,000 milligrams (mg) of calcium per day.2 Read on to learn what non-dairy foods are high in calcium.
—Christine Mattheis, Health, 30 Mar. 2024
Minerals like calcium are like bricks that lay down the foundation of that building.
—David Oliver, USA TODAY, 28 Mar. 2024
This is largely due to the mineral composition of spring water, which contains varying amounts of sulfur, manganese, magnesium, zinc, selenium, strontium, silica, and calcium bicarbonate.
—Jack Knudson, Discover Magazine, 26 Mar. 2024
Sarah Anzlovar, Ms, Verywell Health, 23 Apr. 2024
Fortified soy milk contains similar amounts of calcium and vitamin D as cow's milk and therefore counts toward your daily dairy intake, the U.S. Department of Agriculture says.
—Clare Mulroy, USA TODAY, 21 Apr. 2024
Kefir is also an excellent source of potassium, calcium and vitamins D, A, and B12.
—Beatrice Zocchi, Vogue, 5 Mar. 2024
This protein powder contains 20 grams of protein per serving and a small amount of calcium, another important nutrient during pregnancy.
—Alexandra Paetow Ms Rdn, Parents, 15 Apr. 2024
Now watch how to remove unwanted calcium build-up on your hair.
—Sophia Panych, Allure, 2 Apr. 2024
Adults need about 1,000 milligrams (mg) of calcium per day.2 Read on to learn what non-dairy foods are high in calcium.
—Christine Mattheis, Health, 30 Mar. 2024
Minerals like calcium are like bricks that lay down the foundation of that building.
—David Oliver, USA TODAY, 28 Mar. 2024
This is largely due to the mineral composition of spring water, which contains varying amounts of sulfur, manganese, magnesium, zinc, selenium, strontium, silica, and calcium bicarbonate.
—Jack Knudson, Discover Magazine, 26 Mar. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'calcium.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near calcium
Cite this Entry
“Calcium.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/calcium. Accessed 2 May. 2024.
Copy CitationKids Definition
calcium
noun
cal·ci·um
ˈkal-sē-əm
: a silver-white soft metallic element that is found only in combination with other elements (as in limestone) and is one of the necessary elements making up the bodies of most plants and animals see element
Medical Definition
calcium
noun
cal·ci·um
ˈkal-sē-əm
often attributive
: a silver-white bivalent metallic element that is an alkaline earth metal, occurs only in combination, and is an essential constituent of most plants and animals
—symbol Ca
see Chemical Elements Table
Love words? Need even more definitions?
Merriam-Webster unabridged
Share